Home / 1,210,734.09-1,670,812.97-701,731.71

Finding the Fourth Proportional to 1,210,734.09, 1,670,812.97 and 701,731.71

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Solution

The fourth proportional to 1,210,734.09, 1,670,812.97 and 701,731.71 is: 968,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,734.09 : 1,670,812.97 = 701,731.71 : x
  2. Step 2: Convert to fraction form
    1,210,734.09/1,670,812.97 = 701,731.71/x
  3. Step 3: Cross multiply
    1,210,734.09x = 1,670,812.97 × 701,731.71
  4. Step 4: Simplify right side
    1,210,734.09x = 1,172,462,439,019.62
  5. Step 5: Solve for x
    x = 1,172,462,439,019.62/1,210,734.09
  6. Step 6: Final answer
    x = 968,389.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.